Application of Hydrogels in Thermal Engineering

A special issue of Gels (ISSN 2310-2861). This special issue belongs to the section "Gel Applications".

Deadline for manuscript submissions: closed (30 November 2023) | Viewed by 2908

Special Issue Editors

1. Key Laboratory of Electromechanical Equipment Security in Western Complex Environment for State Market Regulation, Chongqing 401121, China
2. Chongqing Special Equipment Inspection and Research Institute, Chongqing 401121, China
3. State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing 400044, China
4. College of Mechanical Engineering, Chongqing University, Chongqing 400044, China
Interests: application of hydrogels in thermal engineering; thermal interface materials based on hydrogels; thermal control via hydrogel; novel hydrogel with excellent thermal properties
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
1. Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, Chongqing University, Ministry of Education, Chongqing 400044, China
2. School of Energy and Power Engineering, Chongqing University, Chongqing 400044, China
Interests: self-adaptive control cooling for electronic devices via hydrogels; cooling via self-adaptive evaporative hydrogel; application of hydrogels in fluid and heat control
Special Issues, Collections and Topics in MDPI journals
1. Key Laboratory of Electromechanical Equipment Security in Western Complex Environment for State Market Regulation, Chongqing Special Equipment Inspection and Research Institute, Chongqing 401121, China
2. College of Mechanical Engineering, Chongqing University, Chongqing, China
3. State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing 400044, China
Interests: catalytic conversion of light alkanes; pollutant emission reduction in energy conversion; resource conversion and utilization of carbon dioxide; regulation of reaction path in energy catalytic conversion
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue aims to publish recently advanced research outcomes of the application of hydrogels in thermal engineering, including but not limited to the following process topics:

  • application of hydrogels in thermal engineering;
  • thermal interface materials based on hydrogels;
  • thermal control via hydrogels;
  • novel hydrogels with excellent thermal properties;
  • hydrogels for extinguishing fire;
  • hydrogel wound dressings for burn therapy;
  • hydrogel preparation methods for thermal engineering;
  • self-adaptive control cooling for electronic devices via hydrogels;
  • cooling via self-adaptive evaporative hydrogels;
  • application of hydrogels in fluid and heat control, etc.

If you wish to check the fit of your manuscript for this Issue prior to submission, you are welcome to send a tentative title and abstract via “Submit abstract to Special Issue”, and you will receive feedback shortly.

Dr. Ziqiang He
Prof. Dr. Yunfei Yan
Dr. Xiuquan Li
Guest Editors

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Gels is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • application of hydrogels in thermal engineering
  • cooling via hydrogels
  • heat and fluid control via hydrogels
  • thermal interface materials based on hydrogels
  • novel hydrogels with excellent thermal properties

Published Papers (1 paper)

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Research

12 pages, 3550 KiB  
Article
Highly Efficient Capture of Heavy Metal Ions on Amine-Functionalized Porous Polymer Gels
by Xue He, Jumu Xia, Jieli He, Kezhen Qi, Anzhong Peng and Yong Liu
Gels 2023, 9(4), 297; https://doi.org/10.3390/gels9040297 - 2 Apr 2023
Cited by 4 | Viewed by 1910
Abstract
Porous polymer gels (PPGs) are characterized by inherent porosity, a predictable structure, and tunable functionality, which makes them promising for the heavy metal ion trap in environmental remediation. However, their real-world application is obstructed by the balance between performance and economy in material [...] Read more.
Porous polymer gels (PPGs) are characterized by inherent porosity, a predictable structure, and tunable functionality, which makes them promising for the heavy metal ion trap in environmental remediation. However, their real-world application is obstructed by the balance between performance and economy in material preparation. Development of an efficient and cost-effective approach to produce PPGs with task-specific functionality remains a significant challenge. Here, a two-step strategy to fabricate amine-enriched PPGs, NUT-21-TETA (NUT means Nanjing Tech University, TETA indicates triethylenetetramine), is reported for the first time. The NUT-21-TETA was synthesized through a simple nucleophilic substitution using two readily available and low-cost monomers, mesitylene and α, α′-dichloro-p-xylene, followed by the successful post-synthetic amine functionalization. The obtained NUT-21-TETA demonstrates an extremely high Pb2+ capacity from aqueous solution. The maximum Pb2+ capacity, qm, assessed by the Langmuir model was as high as 1211 mg/g, which is much higher than most benchmark adsorbents including ZIF-8 (1120 mg/g), FGO (842 mg/g), 732-CR resin (397 mg/g), Zeolite 13X (541 mg/g), and AC (58 mg/g). The NUT-21-TETA can be regenerated easily and recycled five times without a noticeable decrease of adsorption capacity. The excellent Pb2+ uptake and perfect reusability, in combination with a low synthesis cost, gives the NUT-21-TETA a strong potential for heavy metal ion removal. Full article
(This article belongs to the Special Issue Application of Hydrogels in Thermal Engineering)
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